CVE-2021-3565

tpm2-tools: fixed AES wrapping key in tpm2_import

Published Jun 4, 2021 CVSS 3.1 · 5.9 Medium EPSS 1.3% KEV · Not listed
Description
A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-26875 A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:01 PM
Reserved
May 25, 2021, 12:00 AM
Status
Modified
Published
Jun 4, 2021, 12:15 PM
Modified
Jun 17, 2026, 4:05 AM
Severity
Moderate
Public date
May 25, 2021, 12:00 AM